86915469 has 8 divisors (see below), whose sum is σ = 116007520. Its totient is φ = 57883536.

The previous prime is 86915399. The next prime is 86915471. The reversal of 86915469 is 96451968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86915469 - 2¹² = 86911373 is a prime.

It is a super-2 number, since 2×86915469² = 15108597502979922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86915489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11539 + ... + 17520.

It is an arithmetic number, because the mean of its divisors is an integer number (14500940).

Almost surely, 2^86915469 is an apocalyptic number.

It is an amenable number.

86915469 is a deficient number, since it is larger than the sum of its proper divisors (29092051).

86915469 is a wasteful number, since it uses less digits than its factorization.

86915469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30059.

The product of its digits is 466560, while the sum is 48.

The square root of 86915469 is about 9322.8466146344. The cubic root of 86915469 is about 442.9612057470.

The spelling of 86915469 in words is "eighty-six million, nine hundred fifteen thousand, four hundred sixty-nine".